1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: TEx01DetectorConstruction.cc,v 1.5 2007/05/18 10:40:29 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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29 | // |
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30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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32 | |
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33 | #include "TEx01DetectorConstruction.hh" |
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34 | |
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35 | #include "G4Material.hh" |
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36 | #include "G4Box.hh" |
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37 | #include "G4LogicalVolume.hh" |
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38 | #include "G4PVPlacement.hh" |
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39 | #include "G4PVParameterised.hh" |
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40 | #include "G4SDManager.hh" |
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41 | |
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42 | #include "G4UserLimits.hh" |
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43 | |
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44 | #include "G4VisAttributes.hh" |
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45 | #include "G4Colour.hh" |
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46 | |
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47 | #include "G4ios.hh" |
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48 | |
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49 | #include "G4TriangularFacet.hh" |
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50 | #include "G4VFacet.hh" |
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51 | |
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52 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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53 | |
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54 | TEx01DetectorConstruction::TEx01DetectorConstruction() |
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55 | :solidWorld(0), logicWorld(0), physiWorld(0), |
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56 | solidTarget(0), logicTarget(0), physiTarget(0) |
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57 | {;} |
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58 | |
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59 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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60 | |
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61 | TEx01DetectorConstruction::~TEx01DetectorConstruction() |
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62 | {;} |
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63 | |
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64 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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65 | |
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66 | G4VPhysicalVolume* TEx01DetectorConstruction::Construct() |
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67 | { |
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68 | //--------- Material definition --------- |
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69 | |
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70 | G4double a, z; |
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71 | G4double density; |
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72 | G4int nel; |
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73 | |
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74 | //Air |
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75 | G4Element* N = new G4Element("Nitrogen", "N", z=7., a= 14.01*g/mole); |
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76 | G4Element* O = new G4Element("Oxygen" , "O", z=8., a= 16.00*g/mole); |
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77 | |
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78 | G4Material* Air = new G4Material("Air", density= 1.29*mg/cm3, nel=2); |
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79 | Air->AddElement(N, 70*perCent); |
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80 | Air->AddElement(O, 30*perCent); |
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81 | |
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82 | //Lead |
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83 | G4Material* Pb = |
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84 | new G4Material("Lead", z=82., a= 207.19*g/mole, density= 11.35*g/cm3); |
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85 | |
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86 | // Print all the materials defined. |
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87 | // |
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88 | G4cout << G4endl << "The materials defined are : " << G4endl << G4endl; |
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89 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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90 | |
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91 | //--------- Sizes of the principal geometrical components (solids) --------- |
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92 | |
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93 | fTargetLength = 10.0 * cm; // Full length of Target |
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94 | |
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95 | fWorldLength= 1.2 *(fTargetLength*2.0); |
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96 | |
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97 | G4double targetSize = 0.5*fTargetLength; // Half length of the Target |
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98 | |
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99 | //--------- Definitions of Solids, Logical Volumes, Physical Volumes --------- |
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100 | |
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101 | //------------------------------ |
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102 | // World |
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103 | //------------------------------ |
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104 | |
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105 | G4double HalfWorldLength = 0.5*fWorldLength; |
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106 | |
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107 | solidWorld= new G4Box("world",HalfWorldLength,HalfWorldLength,HalfWorldLength); |
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108 | logicWorld= new G4LogicalVolume( solidWorld, Air, "World", 0, 0, 0); |
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109 | |
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110 | // Must place the World Physical volume unrotated at (0,0,0). |
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111 | // |
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112 | physiWorld = new G4PVPlacement(0, // no rotation |
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113 | G4ThreeVector(), // at (0,0,0) |
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114 | logicWorld, // its logical volume |
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115 | "World", // its name |
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116 | 0, // its mother volume |
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117 | false, // no boolean operations |
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118 | 0); // no field specific to volume |
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119 | |
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120 | //------------------------------ |
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121 | // Target |
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122 | //------------------------------ |
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123 | |
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124 | G4ThreeVector positionTarget = G4ThreeVector(0.0,0.0,0.0); |
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125 | |
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126 | //solidTarget = new G4Box("target",targetSize,targetSize,targetSize); |
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127 | |
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128 | solidTarget = new G4TessellatedSolid("target"); |
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129 | G4TriangularFacet *facet1 = new |
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130 | G4TriangularFacet (G4ThreeVector(-targetSize,-targetSize, 0.0), |
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131 | G4ThreeVector(+targetSize,-targetSize, 0.0), |
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132 | G4ThreeVector( 0.0, 0.0,+targetSize), |
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133 | ABSOLUTE); |
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134 | G4TriangularFacet *facet2 = new |
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135 | G4TriangularFacet (G4ThreeVector(+targetSize,-targetSize, 0.0), |
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136 | G4ThreeVector(+targetSize,+targetSize, 0.0), |
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137 | G4ThreeVector( 0.0, 0.0,+targetSize), |
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138 | ABSOLUTE); |
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139 | G4TriangularFacet *facet3 = new |
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140 | G4TriangularFacet (G4ThreeVector(+targetSize,+targetSize, 0.0), |
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141 | G4ThreeVector(-targetSize,+targetSize, 0.0), |
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142 | G4ThreeVector( 0.0, 0.0,+targetSize), |
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143 | ABSOLUTE); |
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144 | G4TriangularFacet *facet4 = new |
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145 | G4TriangularFacet (G4ThreeVector(-targetSize,+targetSize, 0.0), |
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146 | G4ThreeVector(-targetSize,-targetSize, 0.0), |
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147 | G4ThreeVector( 0.0, 0.0,+targetSize), |
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148 | ABSOLUTE); |
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149 | G4TriangularFacet *facet5 = new |
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150 | G4TriangularFacet (G4ThreeVector(-targetSize,-targetSize, 0.0), |
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151 | G4ThreeVector( 0.0, 0.0,-targetSize/2.), |
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152 | G4ThreeVector(+targetSize,-targetSize, 0.0), |
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153 | ABSOLUTE); |
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154 | G4TriangularFacet *facet6 = new |
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155 | G4TriangularFacet (G4ThreeVector(+targetSize,-targetSize, 0.0), |
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156 | G4ThreeVector( 0.0, 0.0,-targetSize/2.), |
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157 | G4ThreeVector(+targetSize,+targetSize, 0.0), |
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158 | ABSOLUTE); |
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159 | G4TriangularFacet *facet7 = new |
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160 | G4TriangularFacet (G4ThreeVector(+targetSize,+targetSize, 0.0), |
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161 | G4ThreeVector( 0.0, 0.0,-targetSize/2.), |
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162 | G4ThreeVector(-targetSize,+targetSize, 0.0), |
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163 | ABSOLUTE); |
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164 | G4TriangularFacet *facet8 = new |
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165 | G4TriangularFacet (G4ThreeVector(-targetSize,+targetSize, 0.0), |
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166 | G4ThreeVector( 0.0, 0.0,-targetSize/2.), |
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167 | G4ThreeVector(-targetSize,-targetSize, 0.0), |
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168 | ABSOLUTE); |
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169 | solidTarget->AddFacet((G4VFacet*) facet1); |
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170 | solidTarget->AddFacet((G4VFacet*) facet2); |
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171 | solidTarget->AddFacet((G4VFacet*) facet3); |
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172 | solidTarget->AddFacet((G4VFacet*) facet4); |
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173 | solidTarget->AddFacet((G4VFacet*) facet5); |
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174 | solidTarget->AddFacet((G4VFacet*) facet6); |
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175 | solidTarget->AddFacet((G4VFacet*) facet7); |
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176 | solidTarget->AddFacet((G4VFacet*) facet8); |
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177 | |
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178 | solidTarget->SetSolidClosed(true); |
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179 | logicTarget = new G4LogicalVolume(solidTarget,Pb,"Target",0,0,0); |
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180 | physiTarget = new G4PVPlacement(0, // no rotation |
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181 | positionTarget, // at (x,y,z) |
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182 | logicTarget, // its logical volume |
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183 | "Target", // its name |
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184 | logicWorld, // its mother volume |
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185 | false, // no boolean operations |
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186 | 0); // no particular field |
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187 | |
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188 | //--------- Visualization attributes ------------------------------- |
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189 | |
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190 | G4VisAttributes* BoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); |
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191 | BoxVisAtt->SetVisibility(false); |
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192 | G4VisAttributes* FacetVisAtt= new G4VisAttributes(G4Colour(1.0,0.0,0.0)); |
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193 | FacetVisAtt->SetVisibility(true); |
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194 | |
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195 | logicWorld ->SetVisAttributes(BoxVisAtt); |
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196 | logicTarget ->SetVisAttributes(FacetVisAtt); |
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197 | |
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198 | //--------- example of User Limits ------------------------------- |
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199 | |
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200 | // below is an example of how to set tracking constraints in a given |
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201 | // logical volume(see also in N02PhysicsList how to setup the process |
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202 | // G4UserSpecialCuts). |
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203 | // Sets a max Step length in the tracker region |
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204 | // G4double maxStep = 0.5*ChamberWidth, maxLength = 2*fTrackerLength; |
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205 | // G4double maxTime = 0.1*ns, minEkin = 10*MeV; |
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206 | // logicTracker->SetUserLimits(new G4UserLimits(maxStep,maxLength,maxTime, |
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207 | // minEkin)); |
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208 | |
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209 | return physiWorld; |
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210 | } |
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211 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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